Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary or igneous specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (Chalcedony), SiO2
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Quartzite / Iron-stained Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky)
Silicon Dioxide (SiO2)
Golden Calcite
Calcium Carbonate (CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz with inclusions
SiO2
Green Mica Schist
Mica Schist (Fuchsite or Chlorite variety)
Gneiss
Gneiss (Metamorphic high-grade)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Honey Calcite
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milk or Clear Variety)
Silicon Dioxide (SiO2)
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
Quartz (White/Milky)
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Magnetite / Ironstone Pebble
Magnetite (Fe3O4)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Rhodochrosite
Manganese carbonate (MnCO3)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Blue Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)